The scientific method is a great memory tool for systems thinking and systems engineering.

Cassandra is an [blank1] system in CAP terms, sacrificing consistency for availability during network partitions. [response_blank1]

Compare the embedding and referencing approaches for data modeling in MongoDB. When would you use each approach?

What is the purpose of a mongos in MongoDB’s sharded cluster?

Which null hypothesis is used to test the significance of independent variables in ordinal logistic regression?

What does the Catalyst optimizer do in Spark SQL?

In MapReduce, what happens during the Shuffle phase?

In SparkML, what is the difference between a Transformer and an Estimator?

Which SparkML component combines multiple feature columns into a single vector column?

Delta Lake stores data in the open [blank1] file format while adding a metadata layer for ACID transactions. [response_blank1]